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NEXRAD or Nexrad (Next-Generation Radar) is a network of 159 high-resolution S-band Doppler weather radars operated by the National Weather Service (NWS), an agency of the National Oceanic and Atmospheric Administration (NOAA) within the United States Department of Commerce, the Federal Aviation Administration (FAA) within the Department of Transportation, and the U.S. Air Force within the ...
In pursuit of better resolution in time, the NEXRAD network deploys several time-saving measures to accelerate data rates in these three dimensions, such as M.R.L.E. and MESO-SAILS, which can be bringing scan time down from 5–7 minutes to 2–3 minutes.
However, this finer resolution is only available up to 135 kilometres (84 mi) from the radar; beyond that, the resolution is close to that of the NEXRAD. However, since August 2008, oversampling on NEXRAD has increased its resolution in lower elevations in reflectivity data to 0.25 km (0.16 mi) by 0.5 degree, and increased the range of Doppler ...
GRLevel3 is a Windows viewer for live NEXRAD Level III data from the NWS Radar Product Central Collection Dissemination Service (already produced 2D images [3]). In addition to Level III WSR-88D data, GR3 supports TDWR, which is high resolution shorter range radar located at some major airports. [citation needed]
This image is in the public domain because it is from one or more of the U.S. government’s 159 NEXRAD radars, which are jointly owned and operated by the National Weather Service (NWS), an agency of the National Oceanic and Atmospheric Administration (NOAA) within the United States Department of Commerce, the Federal Aviation Administration (FAA) within the Department of Transportation, and ...
For the first 20 years of operations, its data output was, in comparison to modern schemes, considerably more modest. All systems were single-polarity and doppler capable, but were comparatively limited in their resolution until the advent of super-resolution in 2008 (which effectively quadrupled spatial resolution, and doubled azimuthal ...
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This image is in the public domain because it is from one or more of the U.S. government’s 159 NEXRAD radars, which are jointly owned and operated by the National Weather Service (NWS), an agency of the National Oceanic and Atmospheric Administration (NOAA) within the United States Department of Commerce, the Federal Aviation Administration (FAA) within the Department of Transportation, and ...